Bacterial quality and safety of raw beef : A comparison between Finland and Nigeria

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http://hdl.handle.net/10138/333937

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Osemwowa , E , Omoruyi , I M , Kurittu , P , Heikinheimo , A & Fredriksson-Ahomaa , M 2021 , ' Bacterial quality and safety of raw beef : A comparison between Finland and Nigeria ' , Food Microbiology , vol. 100 , 103860 . https://doi.org/10.1016/j.fm.2021.103860

Title: Bacterial quality and safety of raw beef : A comparison between Finland and Nigeria
Author: Osemwowa, Etinosa; Omoruyi, Iyekhoetin Matthew; Kurittu, Paula; Heikinheimo, Annamari; Fredriksson-Ahomaa, Maria
Contributor: University of Helsinki, Departments of Faculty of Veterinary Medicine
University of Helsinki, Food Hygiene and Environmental Health
University of Helsinki, Food Hygiene and Environmental Health
University of Helsinki, Food Hygiene and Environmental Health
Date: 2021-12
Language: eng
Number of pages: 6
Belongs to series: Food Microbiology
ISSN: 0740-0020
URI: http://hdl.handle.net/10138/333937
Abstract: Beef can easily be contaminated with bacteria during the meat production chain. In this work, we studied the contamination levels of mesophilic aerobic bacteria (MAB) and thermotolerant coliform bacteria (TCB) on raw beef surfaces from small shops in Helsinki, Finland and meat markets in Benin City, Nigeria. We also investigated the prevalence of Salmonella, Campylobacter, Yersinia, Shiga toxin-producing Escherichia coli (STEC), Listeria, and cephalosporin-resistant E. coli (CREC). In total, one hundred unpacked raw beef samples from Finland and Nigeria were collected in 2019. The median MAB and TCB counts were significantly (P < 0.001) higher on beef from Nigeria than from Finland. The median MAB and TCB counts in Nigeria were 7.5 and 4.0 log10 cfu/cm2, respectively, and 6.5 and 2.8 log10 cfu/cm2 in Finland, respectively. Most (94%) Nigerian samples were unacceptable according to limits set by the EU. Beef samples from meat markets in Benin City were significantly (P < 0.05) more frequently contaminated with Salmonella, STEC, and CREC than beef samples from small shops in Helsinki. Salmonella, STEC, and CREC were isolated from 30, 36, and 96% of Nigerian samples, respectively, and from
Subject: Beef
Bacterial contamination
Mesophilic aerobic bacteria (MAB)
Thermotolerant coliform bacteria (TCB)
Foodborne pathogens
Cephalosporin-resistant Escherichia coli (CREC)
Detection
SOUTH-AFRICA
416 Food Science
11832 Microbiology and virology
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